198-1929, Teng Tools, Teng Tools 1/2 in Drive Bit Socket, Tamperproof Torx Bit, T20, Brand Teng Tools, Drive Size 1/2 in, Socket Type Bit Socket, Socket Head Type Tamperproof Torx Bit Teng Tools 1/2 in Drive Bit Socket, Tamperproof Torx Bit, T20